The Urban Dictionary T-Shirt

Slang term for an insult., noun
Term used to signal the start of a verbal altercation. Ussually initiated by clapping hands together and directing forefingers toward your opponent.
Baltimore Slang term used to define an insult, usually one-up'ed by giving someone "the meal"

Jon:I'm definatly about to pack you up!
or
Bill:DAMN, YO JUST GOT PACKED!